import sys
try:
	f = open ("ficha.text")
	s = f.readline()
	i = int (s.strip())
except IOError as e:
	print "I/O error ({0}): {1}".format (e.errno, e.strerror)
except ValueError:
	print "Could not convert data to an integer."
except:
	print "Unexpected error: ", sys.exc_info()[0]
	raise
